author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 02:01:42 +0200 | |
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permissions | -rw-r--r-- |
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// Copyright 2002 The Trustees of Indiana University. |
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// Use, modification and distribution is subject to the Boost Software |
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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// Boost.MultiArray Library |
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// Authors: Ronald Garcia |
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// Jeremy Siek |
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// Andrew Lumsdaine |
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// See http://www.boost.org/libs/multi_array for documentation. |
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/* |
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* © Portions copyright (c) 2006-2007 Nokia Corporation. All rights reserved. |
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*/ |
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// |
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// Trying to diagnose problems under visual |
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#include "boost/config.hpp" |
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#include "boost/array.hpp" |
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#include "boost/limits.hpp" |
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#include <algorithm> |
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#include <utility> |
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#include <iostream> |
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#ifdef __SYMBIAN32__ |
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#include "std_log_result.h" |
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#define LOG_FILENAME_LINE __FILE__, __LINE__ |
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#endif |
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namespace dimtest |
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{ |
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typedef int index; |
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} |
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typedef std::size_t size_type; |
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template <typename Index,typename SizeType> |
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class index_range { |
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public: |
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index_range() |
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{ |
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start_ = from_start(); |
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finish_ = to_end(); |
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stride_ = 1; |
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degenerate_ = false; |
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} |
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explicit index_range(Index pos) |
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{ |
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start_ = pos; |
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finish_ = pos; |
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stride_ = 1; |
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degenerate_ = true; |
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} |
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explicit index_range(Index start, Index finish, Index stride=1) |
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: start_(start), finish_(finish), stride_(stride), |
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degenerate_(start_ == finish_) |
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{ } |
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// These are for chaining assignments to an index_range |
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index_range& start(Index s) { |
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start_ = s; |
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degenerate_ = (start_ == finish_); |
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return *this; |
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} |
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index_range& finish(Index f) { |
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finish_ = f; |
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degenerate_ = (start_ == finish_); |
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return *this; |
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} |
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index_range& stride(Index s) { stride_ = s; return *this; } |
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Index start() const |
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{ |
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return start_; |
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} |
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Index get_start(Index low_index_range = 0) const |
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{ |
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if (start_ == from_start()) |
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return low_index_range; |
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return start_; |
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} |
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Index finish() const |
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{ |
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return finish_; |
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} |
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Index get_finish(Index high_index_range = 0) const |
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{ |
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if (finish_ == to_end()) |
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return high_index_range; |
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return finish_; |
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} |
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unsigned int size(Index recommended_length = 0) const |
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{ |
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if ((start_ == from_start()) || (finish_ == to_end())) |
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return recommended_length; |
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else |
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return (finish_ - start_) / stride_; |
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} |
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Index stride() const { return stride_; } |
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bool is_ascending_contiguous() const |
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{ |
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return (start_ < finish_) && is_unit_stride(); |
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} |
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void set_index_range(Index start, Index finish, Index stride=1) |
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{ |
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start_ = start; |
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finish_ = finish; |
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stride_ = stride; |
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} |
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static index_range all() |
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{ return index_range(from_start(), to_end(), 1); } |
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bool is_unit_stride() const |
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{ return stride_ == 1; } |
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bool is_degenerate() const { return degenerate_; } |
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index_range operator-(Index shift) const |
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{ |
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return index_range(start_ - shift, finish_ - shift, stride_); |
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} |
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index_range operator+(Index shift) const |
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{ |
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return index_range(start_ + shift, finish_ + shift, stride_); |
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} |
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Index operator[](unsigned i) const |
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{ |
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return start_ + i * stride_; |
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} |
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Index operator()(unsigned i) const |
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{ |
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return start_ + i * stride_; |
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} |
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// add conversion to std::slice? |
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private: |
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static Index from_start() |
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{ return (std::numeric_limits<Index>::min)(); } |
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static Index to_end() |
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{ return (std::numeric_limits<Index>::max)(); } |
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public: |
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Index start_, finish_, stride_; |
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bool degenerate_; |
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}; |
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// Express open and closed interval end-points using the comparison |
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// operators. |
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// left closed |
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template <typename Index, typename SizeType> |
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inline index_range<Index,SizeType> |
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operator<=(Index s, const index_range<Index,SizeType>& r) |
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{ |
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return index_range<Index,SizeType>(s, r.finish(), r.stride()); |
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} |
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// left open |
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template <typename Index, typename SizeType> |
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inline index_range<Index,SizeType> |
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operator<(Index s, const index_range<Index,SizeType>& r) |
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{ |
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return index_range<Index,SizeType>(s + 1, r.finish(), r.stride()); |
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} |
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// right open |
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template <typename Index, typename SizeType> |
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inline index_range<Index,SizeType> |
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operator<(const index_range<Index,SizeType>& r, Index f) |
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{ |
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return index_range<Index,SizeType>(r.start(), f, r.stride()); |
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} |
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// right closed |
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template <typename Index, typename SizeType> |
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inline index_range<Index,SizeType> |
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operator<=(const index_range<Index,SizeType>& r, Index f) |
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{ |
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return index_range<Index,SizeType>(r.start(), f + 1, r.stride()); |
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} |
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// |
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// range_list.hpp - helper to build boost::arrays for *_set types |
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// |
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///////////////////////////////////////////////////////////////////////// |
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// choose range list begins |
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// |
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struct choose_range_list_n { |
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template <typename T, std::size_t NumRanges> |
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struct bind { |
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typedef boost::array<T,NumRanges> type; |
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}; |
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}; |
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struct choose_range_list_zero { |
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template <typename T, std::size_t NumRanges> |
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struct bind { |
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typedef boost::array<T,1> type; |
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}; |
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}; |
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template <std::size_t NumRanges> |
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struct range_list_gen_helper { |
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typedef choose_range_list_n choice; |
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}; |
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template <> |
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struct range_list_gen_helper<0> { |
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typedef choose_range_list_zero choice; |
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}; |
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template <typename T, std::size_t NumRanges> |
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struct range_list_generator { |
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private: |
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typedef typename range_list_gen_helper<NumRanges>::choice Choice; |
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public: |
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typedef typename Choice::template bind<T,NumRanges>::type type; |
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}; |
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// |
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// choose range list ends |
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///////////////////////////////////////////////////////////////////////// |
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// |
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// Index_gen.hpp stuff |
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// |
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template <int NumRanges, int NumDims> |
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struct index_gen { |
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private: |
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typedef dimtest::index Index; |
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typedef size_type SizeType; |
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typedef index_range<Index,SizeType> range; |
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public: |
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typedef typename range_list_generator<range,NumRanges>::type range_list; |
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range_list ranges_; |
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index_gen() { } |
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template <int ND> |
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explicit index_gen(const index_gen<NumRanges-1,ND>& rhs, |
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const index_range<Index,SizeType>& range) |
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{ |
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std::copy(rhs.ranges_.begin(),rhs.ranges_.end(),ranges_.begin()); |
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*ranges_.rbegin() = range; |
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} |
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index_gen<NumRanges+1,NumDims+1> |
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operator[](const index_range<Index,SizeType>& range) const |
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{ |
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index_gen<NumRanges+1,NumDims+1> tmp; |
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std::copy(ranges_.begin(),ranges_.end(),tmp.ranges_.begin()); |
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*tmp.ranges_.rbegin() = range; |
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return tmp; |
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} |
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index_gen<NumRanges+1,NumDims> |
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operator[](Index idx) const |
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{ |
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index_gen<NumRanges+1,NumDims> tmp; |
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std::copy(ranges_.begin(),ranges_.end(),tmp.ranges_.begin()); |
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*tmp.ranges_.rbegin() = index_range<Index,SizeType>(idx); |
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return tmp; |
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} |
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}; |
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template <int NDims, int NRanges> |
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void accept_gen(index_gen<NRanges,NDims>& indices) { |
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// do nothing |
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} |
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template <typename X, typename Y, int A, int B> |
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class foo { }; |
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class boo { |
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public: |
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template <int NDims, int NRanges> |
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void operator[](index_gen<NRanges,NDims>& indices) { |
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} |
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}; |
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template <typename X, typename Y, int A1, int A2> |
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void take_foo(foo<X,Y,A1,A2>& f) { } |
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using namespace std; |
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int main() { |
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index_gen<0,0> indices; |
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typedef index_range<dimtest::index,size_type> range; |
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foo<int,std::size_t,1,2> f; |
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take_foo(f); |
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indices[range()][range()][range()]; |
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accept_gen(indices); |
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index_gen<0,0> index_g; |
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accept_gen(index_g); |
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Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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323 |
index_gen<3,3> indices_3; |
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Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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324 |
accept_gen(indices_3); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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325 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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326 |
boo b; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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327 |
b[indices_3]; |
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Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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328 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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329 |
#ifdef __SYMBIAN32__ |
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Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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330 |
testResultXml("dimtest"); |
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Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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331 |
close_log_file(); |
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Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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332 |
#endif |
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Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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333 |
return 0; |
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Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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334 |
} |